Continuity mistake: When Alan, Vermont and TinTin are hanging upside down looking into the control room, TinTin's crystal is hanging around her neck, in the next shot it disappears then reappears in the 3rd shot.

Thunderbirds (2004)
Plot summary
Directed by: Jonathan Frakes
Starring: Ben Kingsley, Bill Paxton, Anthony Edwards, Brady Corbet, Lou Hirsch, Debora Weston, Soren Fulton
In the future, Jeff Tracy, a billionaire and former astronaut, took his five sons to an uncharted island called Tracy Island and set up International Rescue, a secret organization who assists people who need help anywhere in the world. They are known by the name of their incredible machines: Thunderbirds. The youngest son, Alan, is stuck behind all the time and wishes he could go on a mission with his family. But when the Thunderbirds' nemesis, The Hood, deploys them on a fake mission and takes over Tracy Island, it is up to Alan to save his family with the help of his friends, Fermat and Tintin, and prove himself a true Thunderbird.
Gabrielle
Lady Penelope: Oh, and England won the footbal last night.
Parker: YES! EN-GER-LAND.
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Answer: I think that in the movie: Alan, Tintin & Fermat are 16, making Gordon 18, Virgil 21, John 23 and Scott 24.